<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://community.skype.com/t5/Apoio-ao-Usu%C3%A1rio-Arquivo/Skype-n%C3%A3o-conecta/td-p/1754432>